2469440 has 28 divisors (see below), whose sum is σ = 5881116. Its totient is φ = 987648.

The previous prime is 2469433. The next prime is 2469457. The reversal of 2469440 is 449642.

It can be written as a sum of positive squares in 2 ways, for example, as 1048576 + 1420864 = 1024^2 + 1192^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3539 + ... + 4178.

2^2469440 is an apocalyptic number.

2469440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2469440 is an abundant number, since it is smaller than the sum of its proper divisors (3411676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2469440 is an equidigital number, since it uses as much as digits as its factorization.

2469440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7734 (or 7724 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2469440 is about 1571.4451947173. The cubic root of 2469440 is about 135.1655946906.

The spelling of 2469440 in words is "two million, four hundred sixty-nine thousand, four hundred forty".